Valve-lifter.



C. 'LIECK.

VALVE LIFTER. APPLICATION FILED AUG.20. 1911.

l 64 U9 m Patent Apm'23 R18.

2 SHEETS-SHEET 2.

a HEW/reg zec 3.5 '35 Mg cnmsrrsenorervnar NEGK,1\TEW YORK, assrenoe or onnrratrcrotenwaan r.

:emaxn orennar NECK, NEW YORK} VALVE-LIFTER.

To all whom it mq ycatwem." I Be it known thatf l, CHARLEs Lrno tga subject of the Emperor of Germany,f -but having declared tiny. intention ,to' becomea .citizen of the UnitedStatS, andla resident of Great N eck,inthe county of N assauand State of 'Neiv York, have invented a new and 1 Improved Valve-Liftenof'Which'thefollowing is :afull, clear, andexact description;

This invention relatesto tools or .im l'e- \ments for internal cornbustiori'engines or the prov dea hand operated tool or implement like and has particular reference to a 'tool or implement for manipulating valvesprings ofsuchmachines. t V Among-the objects of the inventionis to peculiarly designed for rnanipulating valve springs that may be located in such a osition as to bepr'actic 2o;

nary means.

. Another object of th invention a; provide a valve lifteror valve spring lifter embodying a substantially bell crank lever having a rocker fulcrum, the fulcrum member and one arm of the lever being adaptedfor peculiar action in the" nature of a toggle whereby a maximum throw of the lifting fend of the lever may be effected. with a miniinum throw of the longer or handle end of thelever, yet With'a moderate expenditure u ofipower. f l

A sti'llhfurther objectis to provide a valve sjpring lifterflad apted [for cooperationlwith .'What is known, asaV'type engine in which themanipulation of the valve must be effect- Within the VJor between thetivo series of cylinders beneath the manifolds, the imple- ,mjent being provided "with a member 'forcoio v 1 while. the manipulation of the valve is being p f rmedgz j x v p operation With one of the manifolds to hold or lock thedevice with the spring elevated,

With 1 the other obj ects in Lview, the invention consists in the arrangeinent and fcombin-ationjoi" parts hereinafter described and claimedpand while the invention is not restricted to the exact details of i construction disclosed-or suggested herein,

till.

1 except as required by the'scope of the appended claims, still for thepurpose' of illustrating a practical embodiment thereofrefi erenceis ,had to the accompanying drawings,

a Wh ilik refe nce l r eter l es na f Specification of Letters Patent. 7

wh a a Figure 1 is a vertical transverse section of a fragment of a highpowered internal comhustion engine of the character referred to showing in full lines the position of my imleft in Fig.7 2;.an'd

inaccessible by" ordithe same parts in these'veral views, and in proved lifter just after it is iutroduced, and

indicatingin dotted linesthepositionofthe y lifter When the springislifted and held in elevated position bythe lock operating with Patented are as, rel. Application filed eugust 20, 911" ereijrals zse. l a z t the manifold on the opposite side of the ver-l tical longitudinal plane of the engine.

Fig. 2 1s a vertical centralsectional view Of the improvement on the line2-2 ofment as'fitf Will be'seen looking towardthe Fig. 4; is a transverse. section on theline of Fig. 2.

Referring now inore particularly to l I showa standardor Well known type of high poweredengine of What is known as the V type and comprising a body 10 in a which are mounted r cam operated plungers ll coijperating with the stems 12ofvalves 13 associated With a series of engine'cylihders 14 on opposite sides of the vertical longitudinal plane midway between the series or rows erpum ers 11. The axeso't the cylinders inengines of this type diverge from each other on oppositesides of said longitu dinal vertical plane at anangle of approximateIyGOdegrees with the valvec'asings 15 arranged between the cylinders "of the "several Series and With themanifolds'l6leading tothe valve chambers relatively close together between the opposite series of valve chambers. o l also indicate at 17 one of the.-

reinovable cylinder headsin which are "10-. cated the valvesllv. It will be; noted also that the engine bodyis providedalongits rep! With parallel grooves?tar-channels -18 i wl-iichextend along the seriesfof plungers.

I make the foregoing specific reference to thestructureof the engine, which per 86 is not my i1ivention,- only for the purpose 0f,

laying proper basis for the description of the operat on of my improvement. a In accordance with the usual pract1ce -'in engines or this-type, each valve stem :12 is provided With" a key 19 projecting through the lower end thereof and Withinor below very laborious ta port for thelower end of the strong coil spring 21 whose upper end is seated around a boss 22 throughwhich the valve stem re- 'ClPIOCZItGS under the ZLCtlOll of theplunger 11. In order to remove the valve 13 for regrinding of the valve seat or other purpose it is necessary to forcibly compress the tilting 21, lifting the washer forthispn-rpose far enough along the stem to permit the key 19 to slip out after wl'ii'ch'the valve may easily be withdrawn, assuming that the hadl? is removed. Because of the fact that the spring is very stiff and the key devices, are accessible, with diiiicnlty, due to the typeof the en'g indicated, it is usually a ek and one requiring a considerable expenditure of time to remove and 1 replace all of the valves of one of these high; powered engines. V

'1 now refer specifically to my improved tool orimplenient the same comprising a bell crank lever having a longer handle or power arni 2iaiid a'shorter or load arm having a "fo' 26 lying approximately in a plane perpendicular to the handle 2%. llhe endsof the .fork are provided with horizontal alined holes in which is pivoted a cradle 27. The cradle con'ipri'ses'a substantially flatarcshapod base 28 and an upstanding flange 29 lying ad acent to the crotch portion of the fork, The base 28 as indicated has an opencenter 30 adapted to embrace the key 19while the cradle slips beneath the around the periphery of the washer. bee

washer 20, the flange 29 fitting directly Fig, 1, As indicated; in" dotted lines 'in' Fig. l'the axis ofthe valve stem. 12 liesbet'ween the axis ofthe pivots 31 and the fork so that when the cradle is; inserted into opera- 'tiveposition, asshown in full lines inFig.

1 there-isno, probability that the cradle will -lli t-alf imd heaxi l ejpivots 31 in a outwardfor downward direction so v as to'o'ccasiion the slipping of the cradle from the wa sher in the manipulation, of the lever.

viRather the tendency is for the cradle to crowd. the more firmly into engaging posit tion upon the washer.

At 32 Iindicate a; rocking fulcrum mem ber, the sameibeing bifurcated at its upper end; straddling the; pivot portion 33 :of the lever ancl pivoted thereto permanently by means of; a pinv 34 keyed or otherwise fitted transverselythrough the lever and upper I end offt he fulcruinmember, The lower end r; int gfi. of; the fulcrum meinberis -;,ada-pted; to; rest in the groove 18 remote frointheval ve being manipulated. and while a sufficient amount of t lting. or rocking of the fulcrum member toward and from the ZtXlSgOff the valve s permitted by thepomt [35 acting insaidgroove, there 1S11OPOSS1- bilityofsaid point slipping laterally from the seat or groove 18 in practice. -The arm of the plunger 11.

"of the bell'crank lever.

right angle to each other, but with the line joining the point 35 and axis of the pivot 34; lying beyond the handle 2i or between said handle and the'aXis. of the valve being inanipulated. The handle 24:, however, occupies a position at thistiine close to the manifold pertaining to the valve under consideration and approximately parallel to valve stem. Then the operator grasps the handle and draws it rearwardly or toward the op posite manifoldthere results a compound movement due to the lengthening of the toggle or articulation of the bell crank and fulcrum member at the pivot 8st and the rocking of thefnlcrum member around its point In other words the force applied to the lever by the operators hand is so resolved that the fulcrum member 32 is rocked forward toward the valve stem while the cradle or fork end of the lover is elevated due to both the bell crank action of the lever and lengthening of the toggle. Hence the handle end of the lever and the fulcrum member may be said to move in opposite vated, the movement of the cradle must be precisely the same as that of the washer resulting from such. combined movement of the implement. In other words the washer is lifted so as to move directly along the valve stem in a straight line and with the base 28 of the cradle always remaining par allel to itself, due to the tilting of the cradle around its pivots 31. This operation of the lever is an easy and natural oneffrom the viewpoint of the operator, requiring no special care on his part to maintain the cradle in embracing position upon the washer. The spring even though very still is thus easily compressed to an extent giving ample clearance for the key irrespective of the position In other Words the operator may easily and quickly remove and replace all twenty-four of the valves of a twelve cylinder V type engine without manipulating the cam shaft or any'other rotary part of the engine as is so commonly required in these operations.

M At 36 l'show ahook of'any suitable character pivoted at 37 upon the handle end 2% This book is so placed and designed as to engage easilyover "the manifold 16 toward. which the handle is moved while lifting the valvespring and 'in' this position, as shown in dotted lines in Fig. l, the hookisadapted to hold the lever while the valve is being manipulated and the key is being replace r The principal parts of this implement may be cheaply and eflectivelyformed bystamping from sheetmetal and bending into the desired shape. The rocker member may beof sheet metal or as indicated'may be either a casting or a drop forging, hence the device isfunusually simple and cheap to manufacture and is not only easy but thoroughly *reliabl'e of manipulation and practically indestructible with ordinary care; I l

I claim:

1. The herein described valve spring lifter for V type engines the same comprising a bell crank lever'having a forked load end, a-rocking fulcrum member pivotally connected tothelever, and acradle pivoted in the forked endof the lever, said cradle comprising an arc shapedmember adapted to straddle the valve stem below the spring, the center of the arc thereof adapted to coincide with the axis of the valve stem lying betweenthe axis of the cradle pivots and the fork to insure the cradle from slipping from the spring when power is applied to the lever.

2. In a' valve spring lifter for. engines of the type indicated, the'combination of a member to embrace the valve spring washer, a bell crank lever'in the load end of which said member is pivoted, and a fulcrum member for the lever movable auto- I Copies of this patent may be obtained for five cents each, by addressing r i washingtomhc.

maticallytoward the axis of the valvestem while power is applied to the lever away from said axis to compress the spring.

3. The hereindescribed lifter for a valve spring compressible in a straight line along the axisofthe valve stem, the same com beneath the end of the spring around "the ing said flat member at its load end, the

handle end of the lever being adapted to ex-.

prising a flat member adapted to engage tend'approximately parallel to thestem axis i when said member is applied to the spring,

and an automatically movable fulcrum C member for the lever, said fulcrum being movable toward the axis of the stem when power is applied to the handle end of the spring.

lever away from said axisto compress the" ing a bell crank lever of the first class having a shorter arm and a longer armarranged approximately at right angles to each other, the shorter arm having a forkedend, the plane of the fork being approximately perpendicular to the axis of thelonger arm, a

spring engaging member pivoted in the plane of the fork, and a fulcrum member for the bell crank lever pivotally connected thereto adjacent to the anglethereof.

CHARLES Linen,

t In the presence of Ans'rm Hicks, GEO. P. NINnsLINsaL the Commissioner of Patents, 

